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Old 12-22-2012 | 10:16 PM
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countilaw
 
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From: Grand Prairie, TX
Default RE: Old OS61 SE pattern engine
Change your prop to an 11x7 or 12x6 You might try a 11x8, Try 15 % with 18% castor. RPM should be around 14 K you may need to adjust the lenght of your pipe.

Frank
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